17-letter words containing s, p, i, n, o, u
- reported question — A reported question is a question which is reported using a clause beginning with a word such as 'why' or 'whether', as in 'I asked her why she'd done it'.
- rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- rocket propulsion — propulsion of an object by thrust developed by a rocket.
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
- sandwich compound — any of a class of organometallic compounds whose molecules have a metal atom or ion bound between two plane parallel organic rings
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- self-reproduction — the act or process of reproducing.
- sensitivity group — a group of persons participating in sensitivity training.
- sodium propionate — a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
- spatial summation — the act or process of summing.
- special education — education that is modified or particularized for those with singular needs, as disabled or maladjusted people, slow learners, or gifted children.
- sperrin mountains — a mountain range in NW Northern Ireland
- spot-illustration — a rounded mark or stain made by foreign matter, as mud, blood, paint, ink, etc.; a blot or speck.
- spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
- stand-up comedian — performer: tells jokes
- stir one's stumps — to move or become active
- storm in a teacup — a violent fuss or disturbance over a trivial matter
- subscription rate — the price charged for a subscription
- suction lipectomy — the removal of fatty tissue by making a small incision in the skin, loosening the fat layer, and withdrawing it by suction.
- super-nationalism — an extreme or fanatical loyalty or devotion to a nation.
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- superalimentation — nourishment; nutrition.
- supercolumniation — the placing of one order of columns above another.
- superconductivity — the phenomenon of almost perfect conductivity shown by certain substances at temperatures approaching absolute zero. The recent discovery of materials that are superconductive at temperatures hundreds of degrees above absolute zero raises the possibility of revolutionary developments in the production and transmission of electrical energy.
- superregeneration — regeneration in which a signal is alternately amplified and quenched at a frequency slightly above the audible range to achieve high sensitivity with a single tube.
- superstitiousness — of the nature of, characterized by, or proceeding from superstition: superstitious fears.
- supervision order — an order by a juvenile court requiring a named probation officer or local-authority social worker to advise, assist, and befriend a child or young person who is the subject of care proceedings, over a period of up to three years
- support mechanism — any formal system or method of providing support or assistance
- supra-nationalism — outside or beyond the authority of one national government, as a project or policy that is planned and controlled by a group of nations.
- surprise symphony — the Symphony No. 94 in G major (1791) by Franz Josef Haydn.
- suspension bridge — a bridge having a deck suspended from cables anchored at their extremities and usually raised on towers.
- suspension points — a group of dots, usually three, used in written material to indicate the omission of a word or words
- technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
- the upper regions — the sky; heavens
- thiopental sodium — a barbiturate, C 11 H 18 N 2 NaO 2 S, used as an anesthetic in surgery and, in psychiatry, for narcoanalysis and to stimulate recall of past events.
- to slip your mind — If something slips your mind, you forget it.
- top-security wing — a wing of a prison, mental hospital, etc that has a very high level of precautions against escape
- uncompassionately — having or showing compassion: a compassionate person; a compassionate letter.
- uncooperativeness — working or acting together willingly for a common purpose or benefit.
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- unprofessionalism — not professional; not pertaining to or characteristic of a profession.
- utopian socialism — (sometimes initial capital letter) an economic system based on the premise that if capital voluntarily surrendered its ownership of the means of production to the state or the workers, unemployment and poverty would be abolished.
- vacuum aspiration — menstrual extraction.
- yorkshire pudding — a pudding made of an unsweetened batter of flour, salt, eggs, and milk, baked under meat as it roasts to catch the drippings or baked separately with a small amount of meat drippings.